Finding the Fourth Proportional to 4,678,910.76, 7,018,615.62 and 1,484,292.36
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Solution
The fourth proportional to 4,678,910.76, 7,018,615.62 and 1,484,292.36 is: 2,226,517.68
Step by Step Solution
- Step 1: Write the proportion equation
4,678,910.76 : 7,018,615.62 = 1,484,292.36 : x - Step 2: Convert to fraction form
4,678,910.76/7,018,615.62 = 1,484,292.36/x - Step 3: Cross multiply
4,678,910.76x = 7,018,615.62 × 1,484,292.36 - Step 4: Simplify right side
4,678,910.76x = 10,417,677,542,542.66 - Step 5: Solve for x
x = 10,417,677,542,542.66/4,678,910.76 - Step 6: Final answer
x = 2,226,517.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.